二．动名词：
1．动名词定义：具有名词性质，可在句中担任主语，宾语表语，定语，具有所有格作修饰语。
2．形式：以do为例
doing → being done
having done → having been done
3．用法：
（1）主语：
Saving is easier than doing.
His coming here will be a great help.
It is no use waiting here, he has left.
It is no goodsmoking.
There is no getting along with him.（简直无法和他相处）
……以上例句皆必须要背诵！……
（2）表语：His job is keeping the hall clean as possible.
Seeing is believing.
（3）宾语：
a. 动词宾语：He admitted taking the book.
I do mind your smoking here.